TM 5-3810-231-12
Section II. MAINTENANCE ALLOCATION CHART
Date
Maintenance
levels
Maintenance
Note
operations
ref
Func-
A
B
C
D
E
F
G
H
I
J
K
L
tional
Group
Ser- Adjust Aline Cali- Inspect Test
Re- Repair Over-
Re-
T&TE Re
No.
Component Assembly Nomenclature
vice
brate
place
haul
build
rqmt marks
4301
Strainers, filters, hose, pipe
Fittings, tubing --------------------------------------------
O
O
4302
Pump and pump drives:
Belt, drive ----------------------------------------------
O
O
X
Pump assembly --------------------------------------
O
F
Pulley, drive -------------------------------------------
O
4305
Manual and/or control valves:
Compensators; valves, control -------------------
O
F
4307
Hydraulic cylinders ---------------------------------------
O
F
4308
Reservoir --------------------------------------------------- O/C
O
4309
Hydraulic controls and/or manual
controls:
Control assembly, hydraulic
Check valve, hydraulic -----------------------------
O
F
Levers; linkage----------------------------------------
O
Control, push-pull ------------------------------------
F
4316
Hose, fitting, lines, breathers --------------------------
F
4318
Air cylinders ------------------------------------------------
F
F
47
GAGES
4701
Instruments ------------------------------------------------
O
4702
Gages--------------------------------------------------------
O
50
PNEUMATIC EQUIPMENT
5000
Air compressor --------------------------------------------
F
F
F
6001
Crankcase, cylinder head:-------------------------------
F
F
Cock, Drain--------------------------------------------
O
5002
Crankshaft --------------------------------------------------
F
5004
Pistons, Connecting Rods ------------------------------
F
5005
Valves ------------------------------------------------------
F
5008
Air Intake ----------------------------------------------------
O/C
O
Y
5009
Unloader System Components:
Governor Assembly ---------------------------------
O
F
F
Z
5014
Air Receiver ------------------------------------------------
O/C
F
5015
Air Discharge System:
Breathers; Valves, Hose,
Tubes and Fittings -----------------------------------
O
Evaporator moisture --------------------------------
O/C
O
74
CRANES, SHOVELS AND EARTH
MOVING EQUIPMENT COMPONENTS
7411
Boom attachments:
Boom assemblies ------------------------------
O/C
O
O
Boom backstops --------------------------------
O
O
Cables --------------------------------------------
O/C
Indicator angle switch, limit ------------------
O
Sheaves ------------------------------------------
O/C
O
7413
Pile driver attachments -----------------------------------------
O/C
O/C
147
